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Trinity detonation

Trinity was the code name given to the nuclear test that saw the first detonation of a nuclear weapon. The code name was assigned by J. Robert Oppenheimer, the director of the Los Alamos Laboratory, after a poem by John Donne. It was conducted on July 16, 1945, as part of the Manhattan Project on the Alamogordo Bombing and Gunnery Range in the Jornada del Muerto desert. The test used a Fat Man bomb of the same design as that detonated over Nagasaki. The complex design of the implosion-type nuclear weapon required a major effort from the Los Alamos Laboratory, and testing was required to allay fears that it would not work. Its detonation (video featured) produced the explosive power of about 20 kilotons of TNT (84 terajoules). The test site is now part of the White Sands Missile Range. It was declared a National Historic Landmark District in 1965, and listed on the National Register of Historic Places the following year. (This article is part of a featured topic: History of the Manhattan Project.)

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A sketch of Preston Porter Jr.
A sketch of Preston Porter Jr.

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Anne of Cleves

Anne of Cleves (German: Anna von Kleve; 28 June or 22 September 1515 – 16 July 1557) was Queen of England from 6 January to 12 July 1540 as the fourth wife of Henry VIII. Anne outlived the rest of Henry's wives.

Painting credit: Hans Holbein the Younger

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